<template>
  <div>
    <h2>组件传值</h2>
    <!-- 如果给子组件传递数据，则通过自定义属性的方式传递 -->
    <GoodsList
      v-for="item in list"
      :key="item.id"
      :id="item.id"
      :pname="item.pname"
      :price="item.price"
      :info="item.info"
      @kanyidao="kanjia"
    ></GoodsList>
    <!-- <GoodsList v-for="item in list" :key="item.id" :item="item"></GoodsList> -->
  </div>
</template>

<script>
import GoodsList from '@/components/GoodsList.vue'
export default {
  data () {
    return {
      username: 'lisi',
      age: 30,
      list: [
        { id: 101, pname: '超级无敌棒棒糖', price: 15, info: '好吃，再来一根' },
        { id: 171, pname: '超级解渴水果茶', price: 80, info: '好甜，真好喝' },
        { id: 191, pname: '超级好吃大鸡腿', price: 60, info: '可口，下饭~' }
      ]
    }
  },
  // 注册组件
  components: {
    GoodsList
  },
  methods:{
    kanjia(id) {
      const row =this.list.find(item=>{
        return item.id===id
      })
      row.price--
    }
  }
}
</script>

<style></style>